Grundig Davio 23 LW 60-4505 BS, Руководство по обслуживанию, Страница: 35 / 40

Hauptplatte / Main Board – Scaler QW4190R-4
ROM_DATA3
1
ROM_DATA2
2
ROM_DATA1
3
ROM_DATA0
4
ROM_OEn
5
ROM_WEn
6
ROM_CSn
7
CRVSS
8
C
V
D
D
_1
.8
9
VCO_LV/RESERVED
10
AVDD_LV_E_3.3
11
AVSS_LV_E
12
CH3P_LV_E/ER0
13
CH3N_LV_E/ER1
14
CLKP_LV_E/ER2
15
CLKN_LV_E/ER3
16
CH2P_LV_E/ER4
17
CH2N_LV_E/ER5
18
CH1P_LV_E/ER6
19
CH1N_LV_E/ER7
20
CH0P_LV_E/EG0
21
CH0N_LV_E/EG1
22
AVSS_LV_E
23
AVDD_LV_E_3.3
24
AVSS_LV
25
AVDD_lv_3.3
26
AVDD_LV_O_3.3
27
AVSS_LV_O
28
CH3P_LV_O/EG2
29
CH3N_LV_O/EG3
30
CLKP_LV_O/EG4
31
CLKN_LV_O/EG5
32
CH2P_LV_O/EG6
33
CH2N_LV_O/EG7
34
CH1P_LV_O/EB0
35
CH1N_LV_O/EB1
36
CH0P_LV_O/EB2
37
CH0N_LV_O/EB3
38
AVSS_LV_O
39
AVDD_LV_O_3.3
40
C
V
D
D
_1
.8
41
CVSS
42
EB4
43
EB5
44
EB6
45
EB7
46
DEN
47
DHS
48
DVS
49
R
V
D
D
_3
.3
50
CRVSS
51
N
/C
52
N
/C
53
N
/C
54
DCLK
55
OR0/JTAG_RESET 56
OR1/RESERVED 57
OR2/RESERVED 58
OR3/RESERVED
59
OR4/RESERVED
60
OR5/RESERVED
61
OR6/RESERVED
62
OR7/RESERVED 63
OG0/JTAG_TDO
64
OG1/RESERVED 65
OG5/JTAG_TDI
66
PPWR
67
PBIAS
68
GPIO15
69
STI_TM2/RESERVED
70
HOST_SDA/UART_DO
72
R
V
D
D
_3
.3
73
CRVSS
74
C
V
D
D
_1
.8
75
CRVSS
76
HOST_SCL/UART_DI
71
DDC_SCL_VGA
77
DDC_SDA_VGA
78
DDC_SCL_DVI
79
DDC_SDA_DVI
80
GPIO0
81
GPIO1
82
GPIO2
83
GPIO3
84
GPIO4
85
GPIO5
88
GPIO6
89
GPIO7/IRQin
90
GPIO8/IRQout
91
GPIO9/SCL
92
GPIO10/SDA
93
C
V
D
D
_1
.8
86
CRVSS
87
CRVSS
94
R
V
D
D
_3
.3
95
C
V
D
D
_1
.8
96
CRVSS
97
GPIO11/PWM0
98
GPIO12/PWM1
99
GPIO13/PWM2
100
GPIO14/PWM3
101
G
P
IO
16
/V
D
A
T
A
7
10
2
G
P
IO
17
/V
D
A
T
A
6
10
3
N
/C
10
4
N
/C
10
5
G
P
IO
18
/V
D
A
T
A
5
10
6
G
P
IO
19
/V
D
A
T
A
4
10
7
G
P
IO
20
/V
D
A
T
A
3
10
8
G
P
IO
21
/V
D
A
T
A
2
10
9
G
P
IO
22
/V
D
A
T
A
1
11
0
G
P
IO
23
/V
D
A
T
A
0
11
1
V
C
L
K
11
2
AVDD_IMB_3.3
113
REXT
114
AGND_IMB
115
V
D
D
_R
X
2_
1.
8
11
6
AGND_RX2
117
RX2+
118
RX2-
119
AVDD_RX2_3.3
120
V
D
D
_R
X
1_
1.
8
12
1
AGND_RX1
122
RX1+
123
RX1-
124
AVDD_RX1_3.3
125
V
D
D
_R
X
0_
1.
8
12
6
AGND_RX0
127
RX0+
128
RX0-
129
AVDD_RX0_3.3
130
AGND_RXC
131
RXC+
132
RXC-
133
AVDD_RXC_3.3
134
VBUFC_DVI/RESERVED
135
GND_RXPLL
136
V
D
D
_R
X
P
L
L
_1
.8
13
7
CLKOUT/RESERVED
138
C
V
D
D
_1
.8
13
9
CRVSS
140
AVDD_BLUE_3.3
141
BLUE+
142
BLUE-
143
AGND_BLUE
144
AVDD_GREEN_3.3
145
SOG_MCSS
146
GREEN+
147
GREEN-
148
AGND_GREEN
149
AVDD_RED_3.3
150
RED+
151
RED-
152
AGND_RED
153
AVDD_ADC_3.3
154
ADC_TEST/RESERVED
155
AGND_ADC
156
N
/C
15
7
N
/C
15
8
N
/C
15
9
N
/C
16
0
N
/C
16
1
N
/C
16
2
GND_ADC
163
V
D
D
_A
D
C
_1
.8
16
4
GND_RPLL
165
V
D
D
_R
P
L
L
_1
.8
16
6
RESERVED/VBUFC_RPLL
167
AGND_RPLL
168
XTAL
169
TCLK
170
AVDD_RPLL_3.3
171
LBADC_VDD_3.3
172
LBADC_IN1
173
LBADC_IN2
174
LBADC_IN3
175
LBADC_RETURN
176
LBADC_GND
177
RESETn
178
C
V
D
D
_1
.8
17
9
CRVSS
180
HSYNC/CSYNC
181
VSYNC
182
ROM_ADDR17
183
ROM_ADDR16
184
ROM_ADDR15
185
ROM_ADDR14
186
ROM_ADDR13
187
ROM_ADDR12
188
ROM_ADDR11
189
R
V
D
D
_3
.3
19
0
CRVSS
191
ROM_ADDR10
192
ROM_ADDR9
193
ROM_ADDR8
194
ROM_ADDR7
195
ROM_ADDR6
196
ROM_ADDR5
197
ROM_ADDR4
198
ROM_ADDR3
199
ROM_ADDR2
200
ROM_ADDR1
201
ROM_ADDR0
202
ROM_DATA7
203
ROM_DATA6
204
R
V
D
D
_3
.3
20
5
CRVSS
206
ROM_DATA5
207
ROM_DATA4
208
U200
GM5221_1
1
2
Y200
14.318MHz
C251
5PF
C252
5PF
ROM_ADDR0
ROM_ADDR1
ROM_ADDR2
ROM_ADDR3
ROM_ADDR4
ROM_ADDR5
ROM_ADDR6
ROM_ADDR7
ROM_ADDR8
ROM_ADDR9
ROM_ADDR10
ROM_ADDR11
ROM_ADDR12
ROM_ADDR13
ROM_ADDR14
ROM_ADDR15
ROM_ADDR16
ROM_ADDR17
R204
10K
R205
10K
R206
10K
R207
10K
R208
10K
R209
10K
R210
10K
R211
10K
R213
10K
R214
10K
R215
10K
R216
10K
R217
10K
R219
10K
R220
10K
R222
10K
R224
10K
ROM_ADDR0
ROM_ADDR1
ROM_ADDR2
ROM_ADDR3
ROM_ADDR4
ROM_ADDR5
ROM_ADDR6
ROM_ADDR7
ROM_ADDR8
ROM_ADDR9
ROM_ADDR10
ROM_ADDR11
ROM_ADDR12
ROM_ADDR13
ROM_ADDR14
ROM_ADDR15
ROM_ADDR16
R225
10K
ROM_ADDR17
3V3AVDD
3V3DVDD 1V8AVDD 1V8CVDD
3V3DVDD
CE
1
SO
2
WP
3
VSS
4
VCC
8
HOLD
7
SCK
6
SI
5
U203
25VF040
R231
10K
3V3DVDD
ROMCS
ROMWE
ROMWOE
ROM_ADDR15
ROMCS
3V3DVDD
R230
10K
C242
100N
GND
ROM_ADDR16
ROM_ADDR17
R227
10K
R228
10K
R229
10K
3V3DVDD
250R%1
R237
3V3AVDD
TP241
3V3AVDD
R232
47R
CLK
VS
HS
DE
3V3_STBY
C247
22U50V
C212
100N
L200
10uH
3V3AVDD
C200
100N
C201
100N
C202
100N
C203
100N
C204
100N
C205
100N
C206
100N
C207
100N
C208
100N
C209
100N
C210
100N
C211
100N
C243
220P
3V3_STBY
C248
22U50V
C222
100N
L201
10uH
3V3DVDD
C213
100N
C214
100N
C215
100N
C216
100N
C217
100N
C218
100N
C219
100N
C220
100N
C221
100N
1V8_STBY
C249
22U50V
C232
100N
L202
10uH
1V8CVDD
C223
100N
C224
100N
C225
100N
C226
100N
C227
100N
C228
100N
C229
100N
C230
100N
C231
100N
C244
220P
1V8_STBY
C250
22U50V
C238
100N
L203
10uH
1V8AVDD
C233
100N
C234
100N
C235
100N
C236
100N
C237
100N
C245
220P
C246
220P
TP200
TP201
TP204
TP211
5V_STBY
GM2221
1
2
3
4
S202
MTA100_4
5V_STBY
R201
10K
R200
10K
TP226
TP227
TP228
TP229
TP258
GND
GND
GND
GND
GND
GND
GND
GND
GND
GND
R235
100R
R236
100R
VCC
8
WP
7
SCL
6
SDA
5
A0
1
A1
2
A2
3
GND
4
U201
24LC16
GND
3V3_STBY
C239
100N
BRT_ADJ
BKL_EN
BOOTSTRAP CONFIGURATION
SPI FLASH
NVRAM
C253
10N
GND
PNL_EN
PNL_EN
S1_MAIN_SW
S1_MAIN_SW
PC_SD_SW
PC_SD_SW
LED1
LED2
MEMCRD_RCA_S
MEMCRD_RCA_S
RCA_S2_S
RCA_S2_S
UART_TX
UART_RX
DDC_SCL_VGA
DDC_SDA_VGA
UART_TX
UART_RX
DDC_SCL_VGA
DDC_SDA_VGA
RESETQ
RESETQ
BLUE+
BLUE-
SOG_MCSS
GREEN+
GREEN-
RED+
RED-
HS_PC
VS_PC
BLUE+
BLUE-
SOG_MCSS
GREEN+
GREEN-
RED+
RED-
HS_PC
VS_PC
SCL3V3
SDA3V3
TP263
TP262
GND
Q206
2N7002
Q205
2N7002
CLKOUT
DATA
5V_STBY
5V_STBY
R242
10K
R244
10K
J231
0R
SC_UPDT_CTR
SC_UPDT_CTR
SC_UPDT_CTR
SCL5V
SDA5V
5V_STBY
R243
10K
5V_STBY
R245
10K
1
2
3
4
S204
MOLCON4
SCL3V3
SDA3V3
5V
GND
C256
220N
GND
Should be close to VCT-IF
R247
10K
R248
10K
R249
10K
R250
10K
R251
10K
R252
10K
GND GND
GND GND GND GND
R253
4K7
R254
4K7
3V3_STBY
TP267
TP266
2 1
SW201
1
2
3
4
5
6
7
8
JP202
MOLCON8
1
2
3
4
5
6
7
JP203
MOLCON7
5V
3V3
J234
0R
J233
0R
3V3_STBY
GND GND
LED1
IR
1K
R258
3V3_STBY
KEYBOARD
GND GND
LED2
KEYBOARD I/F
R257
100R
STBY
STBY
R256
10K
R255
100R
R246
10K
Q207
BC848B
GND
J227
0R
3V3_STBY
IR
IR_INV
IR_INV
KEYBOARD
Q302
BC848B
R398
27K
R334
10K
GND
MUTE
AMP_EN 5V
MUTE
SC1_PIN8
SC2_PIN8
SC1_PIN8
SC2_PIN8
RESETQ
Optional
J235
0R
J232
0R
Optional
R260
10K
3V3_STBY
R261
10K
3V3_STBY 3V3_STBY 3V3_STBY 3V3_STBY
R262
10K
R263
10K
R264
10K
R265
10K
TP273
BKL_EN
BRT_ADJ
GND
GND
D201
BAV99L
D200
BAV99L
R273
10K
GND
PANELCTRL
PANELCTRL
DE
HS
VS
PIN29_A
PIN30_A
PIN31_A
PIN32_A
PIN33_A
PIN34_A
PIN35_A
PIN36_A
PIN37_A
PIN38_A
PIN43_A
PIN44_A
PIN45_A
PIN46_A
T
O
T
H
E
L
V
D
S
IN
T
E
R
F
A
C
E
PIN13
PIN14
PIN15
PIN16
PIN17
PIN18
PIN19
PIN20
PIN21
PIN22
SAFETY
SAFETY
SAFETY
J237
0R
J238
0R
CLK
STBY2
STBY2
C275
22P
C276
22P
C277
22P
C278
22P
GND GND
GND GND
VDATA4
VDATA4
22
GPIO
LVDS
Panel I/F
Analog
RGB
Triple
ADC&PLL
X86
Micro-controller
External
ROM I/F
Image Capt
ur
e /
M
ea
su
re
m
en
t
XTAL
Clock
Generation
On-chip
RAM / ROM
OSD
Controller
NVRAM
Display
Timing
Control
Test
Pattern
Generator
BT 656
2 X
LVDS
Tx
3 X General-
Purpose ADC
4 X
PWM
Back-light
Audio
In
te
lli
ge
nt
Im
ag
e
P
ro
ce
ss
in
g™
Z
oo
m
/
S
hr
in
k
F
ilt
er
w
ith
e
dg
e
en
ha
nc
em
en
t
uv
Y
D
ig
ita
l C
ol
or
A
dj
us
tm
en
ts
Reset CCT
422 to 444
Conversion
High-light Window
C
ol
or
L
oo
k-
up
-T
ab
le
ACC
Luma
Shaping
ACM-II
Chroma
Adjust
Histogram
C
ol
or
S
pa
ce
C
on
ve
rs
io
n
Schmitt
Trigger
DDC2Bi
Resetn
Serial
Master
GPIO
Parallel or Serial
EEPROM
Keypad Sensing
Temp Sensor
RGB/YUV Color Space Conversion
GM2221
20
21
19
2
6
5
7
2
18
17
16
14
15
7
2
power on (trigger: +12V)
2
switch on with RC
2
power on (trigger: +12V)
2
switch on with RC
*
&
^
%
$
5 6
(
)
¡
™
GRUNDIG Service Chassis L5C–20"…23"
2 - 25